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Description:Grade: 1.7720 34CrMo4 (Cold Drawn) Standard: DIN 17204 Chemical composition: (34CrMo4) C: 0.30-0.40 Si: 0.15-0.35 Mn: 0.50-0.80 P: <=0.020 S: <='0.010' P+S: <='0.025' Cr: 0.90-1.20 Mo: 0.15-0.25 Ni: <=0.40 Tolerance: OD tolerance: +/-0.5% WT tolerance: +15/-0% Roundness: +/-1% Straightness: 2mm/m Max Tensile properties Tensile Strength:>=890 Mpa Yield Strength:>=755 Mpa Elongation:>=14% Impact strength:>=60J Conservation: Outside Oiled Package: Bundle of Steel Strip, Knitting Strip Package.